Calculations Flashcards
1
Q
How do you calculate Applied Dose?
A
Applied dose = Daily dose/PDD or TMR
2
Q
How do you calculate monitor units per fraction for each beam?
A
Applied dose per beam/Output factor x100
3
Q
What is the formula for working out the Equivalent Square?
A
2ab/a+b (to 1dp)
4
Q
What is interpolation?
A
A method of constructing new data points within the range of a discrete set of known data points
5
Q
How do you work out dose depth for an ant/post parallel-opposed patient?
A
Ant/post patients are treated at mid-separation so divide separation by 2
6
Q
How do you calculate Applied Dose per fraction per beam?
A
Applied dose/number of beams